Fingerprint lock



FIG. 1 is a front view of a fingerprint lock showing the present new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a back view thereof;

FIG. 7 is a right perspective view thereof; and,

FIG. 8 is a right perspective view thereof when the cover of the fingerprint lock is open. 

The ornamental design for a fingerprint lock, as shown and described. 